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how can i fix it?
I use Windows, but I'm not sure that operating system is still supported https://helpx.adobe.com/creative-cloud/system-requirements.html
Support for Yosemite (10.10) was dropped a couple of years ago. The older Cloud versions which ran on Yosemite are no longer available from Adobe.
You need either Mojave (10.14), Catalina (10.15) or Big Sur (11) to run the current versions.
If your hardware can handle it, there's a free upgrade from Yosemite to Mojave